Display header hook



FIG. 1 is a perspective view of the display header hook showing the front, right side and top of the design;

FIG. 2 is a perspective view of the back, left side and bottom of the design;

FIG. 3 is a front elevation view of the design;

FIG. 4 is a back elevation view of the design;

FIG. 5 is an elevation view of the right side of the design;

FIG. 6 is an elevation view of the left side of the design;

FIG. 7 is a top plan view of the design; and,

FIG. 8 is a bottom plan view of the design. 

CLAIM Applicant claims the ornamental design for a display header hook, substantially as shown and described. 